Carriers and reservoirs are both considered
A. Contributors to period of acme in the disease
B. Zoonoses
C. Capable of transmitting infectious disease
D. Opportunistic in the disease process
E. Direct methods for disease transmission
Answer: C. Capable of transmitting infectious disease
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Cryptic female choice is a type of intersexual selection where
A. the female genital tract selects for sperm that tend to be unrelated to the female. B. the egg itself has mechanisms to prevent fertilization by genetically related sperm. C. pollen from unrelated plants is not able to fertilize an egg. D. the female genital tract and/or the egg itself prevents fertilization by genetically related sperm. E. the female chooses which male can mate with her based on cryptic coloration.
Precancerous cervical cells can be detected by ____
a. routine Pap smears b. self-examination c. a series of blood tests d. x-ray examinations e. ultra-sound
Cilia and flagella are most directly involved in:
a. metabolism. b. movement. c. maintaining homeostasis. d. muscle contraction. e. cell signaling
What are the tympanum and stapes in tetrapods used for?
a. smelling b. heat sensing c. tasting d. hearing